Blood cooling tray



FIG. 1 is a top-left perspective view of a blood cooling tray;

FIG. 2 is a back-right-top perspective view of the blood cooling tray;

FIG. 3 is a front-left-bottom perspective view of the blood cooling tray;

FIG. 4 is a front elevational view of the blood cooling tray;

FIG. 5 is a back elevational view of the blood cooling tray;

FIG. 6 is a left side elevational view of the blood cooling tray;

FIG. 7 is a right side elevational view of the blood cooling tray;

FIG. 8 is a top plan view of the blood cooling tray; and,

FIG. 9 is a bottom plan view of the blood cooling tray. 

CLAIM The ornamental design for a blood cooling tray, as shown and described. 